8.3    PERFORMANCE CHECK 
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Table 8-4    System alarm warning list 3: External device communication 
 
Message 
Class 
Description  ALR No. 
2AXG(Data) 
Alarm 
2AXG: Communication data error.  911 
2AXG(Time out) 
Alarm 
2AXG: No communication.  342 
2AXW(Data) 
Alarm 
2AXW: Communication data error.  910 
2AXW(Time out) 
Alarm 
2AXW: No communication.  341 
AIS(Alarm ***) 
Alarm 
AIS alarm and the alarm number.   
AIS(Data) 
Alarm 
AIS: Communication data error or checksum error.  918 
AIS(Time Out) 
Alarm 
AIS: No communication.  116 
Autopilot(Data) 
Alarm 
Autopilot: Communication data error or checksum error.  930 
Autopilot(Time Out) 
Alarm 
Autopilot: No communication.  101 
COM Port1(Open) 
Alarm 
COM1: Port error.  920 
COM Port2(Open) 
Alarm 
COM2: Port error.  921 
COM Port3(Open) 
Alarm 
COM3: Port error.  922 
COM Port4(Open) 
Alarm 
COM4: Port error.  923 
Current(Data) 
Alarm 
Tidal current: Communication data error or checksum error.  927 
Current(Time Out) 
Alarm 
Tidal current: No communication.  119 
Depth(Data) 
Alarm 
Water depth: Communication data error or checksum error.  924 
Depth(Time Out) 
Alarm 
Water depth: No communication.  115 
GPS(Date) 
Alarm 
Valid date data from GPS not receive.  112 
GPS(Datum) 
Alarm 
Valid geodetic system data from GPS not receive.  122 
GPS(Position) 
Alarm 
Valid latitude and longitude data from GPS not receive.  102 
GPS(Speed) 
Alarm 
Valid speed data from GPS not receive.  343 
Heading(Time Out) 
Alarm 
Heading data: No communication.  113 
L/L(Out of Bounds) 
Alarm 
L/L Own ship's latitude is over 85°N or 85°S.  123 
Log(Data) 
Alarm 
Log: Communication data error (error bit detected).  111 
NSK(Time Out) 
Alarm 
NSK unit: No communication.  324 
Rate of Turn(Data) 
Alarm 
Rate of Turn: Communication data error or checksum error.  928 
Rate of Turn(Time Out) 
Alarm 
Rate of Turn: No communication.  120 
Rudder(Data) 
Alarm 
Rudder Sensor Angle: Communication data error or checksum error.  929 
Rudder(Time Out) 
Alarm 
Rudder Sensor Angle: No communication.  121 
Temperature(Data) 
Alarm 
Water temperature: Communication data error or checksum error.  925 
Temperature(Time Out) 
Alarm 
Water temperature: No communicaton.  117 
Wind(Data) 
Alarm 
Wind direction/velocity: Communication data error or checksum error.  926 
Wind(Time Out) 
Alarm 
Wind direction/velocity: No communication.  118 
ALR No: Unique alarm number in ALR sentence and ACK sentence. 
 
Reference:  Alarm message is displayed in the lower right of the display. 
 
 
 
 
 
 
 
 
 
 
 
Position of alarm message